Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A subscriber station, comprising: a receive path circuitry configured to receive a downlink transmission grant and a Physical Downlink Shared CHannel (PDSCH) from a base station, the downlink transmission grant using at least one of a cell radio network temporary identifier (C-RNTI) and a semi-persistent scheduling (SPS) C-RNTI, wherein, if the downlink transmission grant is acquired using the C-RNTI, and if the downlink transmission grant utilizes a first downlink control information (DCI) format, then the receive path circuitry is configured to determine that transmission of the PDSCH by the base station uses a transmit diversity transmission scheme or a single antenna-port scheme, if the downlink transmission grant is acquired using the C-RNTI, and if the downlink transmission grant utilizes a second DCI format, then the receive path circuitry is configured to determine that transmission of the PDSCH by the base station uses a dual-dedicated reference signal (DRS) port transmission scheme or a single-DRS port transmission scheme, if the downlink transmission grant is acquired using the SPS C-RNTI, and if the downlink transmission grant utilizes the first DCI format, then the receive path circuitry is configured to determine that transmission of the PDSCH by the base station uses a single-DRS port transmission scheme, and if the downlink transmission grant is acquired using the SPS C-RNTI, and if the downlink transmission grant utilizes the second DCI format, then the receive path circuitry is configured to determine that transmission of the PDSCH by the base station uses a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
A mobile device receives data and control signals from a base station. The control signal (downlink transmission grant) uses a unique identifier, either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The control signal also has a format, either a first format (fallback format) or a second format (dual-layer beamforming format). Based on the identifier and the format, the mobile device determines how the data is transmitted. If the C-RNTI is used and the format is the first format, the data uses transmit diversity or a single antenna port. If the C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the SPS C-RNTI is used and the format is the first format, the data uses a single-DRS port. If the SPS C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port.
2. A subscriber station in accordance with claim 1 , wherein a fallback format is further defined as DCI format 1A according to 3rd Generation Partnership Project (3GGP) standards.
The mobile device from the previous description receives data and control signals from a base station. The control signal (downlink transmission grant) uses a unique identifier, either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The control signal also has a format, either a first format (fallback format) or a second format (dual-layer beamforming format). Based on the identifier and the format, the mobile device determines how the data is transmitted. If the C-RNTI is used and the format is the first format, the data uses transmit diversity or a single antenna port. If the C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the SPS C-RNTI is used and the format is the first format, the data uses a single-DRS port. If the SPS C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. In this case, the "fallback format" is specifically DCI format 1A as defined in 3GPP standards.
3. A subscriber station in accordance with claim 1 , wherein a dual-layer beamforming format is further defined a modified DCI format 2A according to 3rd Generation Partnership Project (3GGP) standards.
The mobile device from the previous description receives data and control signals from a base station. The control signal (downlink transmission grant) uses a unique identifier, either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The control signal also has a format, either a first format (fallback format) or a second format (dual-layer beamforming format). Based on the identifier and the format, the mobile device determines how the data is transmitted. If the C-RNTI is used and the format is the first format, the data uses transmit diversity or a single antenna port. If the C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the SPS C-RNTI is used and the format is the first format, the data uses a single-DRS port. If the SPS C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. In this case, the "dual-layer beamforming format" is a modified version of DCI format 2A as defined in 3GPP standards.
4. A subscriber station in accordance with claim 1 , wherein if a dual-layer beamforming format is used to indicate a single-DRS port transmission scheme, the subscriber station is further configured to determine a DRS port index of an enabled transport block in the downlink transmission grant using a value in a new data indicator field of the dual-layer beamforming format.
The mobile device from the first description receives data and control signals from a base station. The control signal (downlink transmission grant) uses a unique identifier, either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The control signal also has a format, either a first format (fallback format) or a second format (dual-layer beamforming format). Based on the identifier and the format, the mobile device determines how the data is transmitted. If the C-RNTI is used and the format is the first format, the data uses transmit diversity or a single antenna port. If the C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the SPS C-RNTI is used and the format is the first format, the data uses a single-DRS port. If the SPS C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the second format (dual-layer beamforming format) indicates a single-DRS port, the specific DRS port used is determined by the value of the "new data indicator" field within the control signal, specifically for the enabled transport block.
5. A subscriber station in accordance with claim 1 , wherein if a dual-layer beamforming format is used to indicate a single-DRS port transmission scheme, the subscriber station is further configured to determine a DRS port index of an enabled codeword in the downlink transmission grant using a value in a new data indicator field of the dual-layer beamforming format.
The mobile device from the first description receives data and control signals from a base station. The control signal (downlink transmission grant) uses a unique identifier, either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The control signal also has a format, either a first format (fallback format) or a second format (dual-layer beamforming format). Based on the identifier and the format, the mobile device determines how the data is transmitted. If the C-RNTI is used and the format is the first format, the data uses transmit diversity or a single antenna port. If the C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the SPS C-RNTI is used and the format is the first format, the data uses a single-DRS port. If the SPS C-RNTI is used and the format is the second format, the data uses a dual-DRS port or a single-DRS port. If the second format (dual-layer beamforming format) indicates a single-DRS port, the specific DRS port used is determined by the value of the "new data indicator" field within the control signal, specifically for the enabled codeword.
6. A method, comprising: receiving a downlink transmission grant and a Physical Downlink Shared CHannel (PDSCH) from a base station, the downlink transmission grant using at least one of a cell radio network temporary identifier (C-RNTI) and a semi-persistent scheduling (SPS) C-RNTI, wherein, if the downlink transmission grant is acquired using the C-RNTI, and if the downlink transmission grant utilizes a first downlink control information (DCI) format, then determining that transmission of the PDSCH by the base station uses a transmit diversity transmission scheme or a single antenna-port scheme, if the downlink transmission grant is acquired using the C-RNTI, and if the downlink transmission grant utilizes a second DCI format, then determining that transmission of the PDSCH by the base station uses a dual-dedicated reference signal (DRS) port transmission scheme or a single-DRS port transmission scheme, if the downlink transmission grant is acquired using the SPS C-RNTI, and if the downlink transmission grant utilizes the first DCI format, then determining that transmission of the PDSCH by the base station uses a single-DRS port transmission scheme, and if the downlink transmission grant is acquired using the SPS C-RNTI, and if the downlink transmission grant utilizes the second DCI format, then determining that transmission of the PDSCH by the base station uses a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
A method for a mobile device to interpret downlink transmissions from a base station. The mobile device receives a downlink transmission grant and data (PDSCH) from the base station. The downlink transmission grant is associated with either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). If the grant is acquired using the C-RNTI and uses a first DCI format, the PDSCH uses transmit diversity or a single antenna-port scheme. If the grant is acquired using the C-RNTI and uses a second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the first DCI format, the PDSCH uses a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme.
7. A method in accordance with claim 6 , wherein a fallback format is further defined as DCI format 1A according to 3rd Generation Partnership Project (3GGP) standards.
The method from the previous description interprets downlink transmissions from a base station. The downlink transmission grant is associated with either a C-RNTI or an SPS C-RNTI. If the grant is acquired using the C-RNTI and uses a first DCI format, the PDSCH uses transmit diversity or a single antenna-port scheme. If the grant is acquired using the C-RNTI and uses a second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the first DCI format, the PDSCH uses a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. The first DCI format is DCI format 1A according to 3GPP standards.
8. A method in accordance with claim 6 , wherein a dual-layer beamforming format is further defined a modified DCI format 2A according to 3rd Generation Partnership Project (3GGP) standards.
The method from the previous description interprets downlink transmissions from a base station. The downlink transmission grant is associated with either a C-RNTI or an SPS C-RNTI. If the grant is acquired using the C-RNTI and uses a first DCI format, the PDSCH uses transmit diversity or a single antenna-port scheme. If the grant is acquired using the C-RNTI and uses a second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the first DCI format, the PDSCH uses a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. The second DCI format is a modified DCI format 2A according to 3GPP standards, implementing dual-layer beamforming.
9. A method in accordance with claim 6 , wherein if a dual-layer beamforming format is used to indicate a single-DRS port transmission scheme, then determining a DRS port index of an enabled transport block in the downlink transmission grant using a value in a new data indicator field of the dual-layer beamforming format.
The method from the previous description interprets downlink transmissions from a base station. The downlink transmission grant is associated with either a C-RNTI or an SPS C-RNTI. If the grant is acquired using the C-RNTI and uses a first DCI format, the PDSCH uses transmit diversity or a single antenna-port scheme. If the grant is acquired using the C-RNTI and uses a second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the first DCI format, the PDSCH uses a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. When the second format (dual-layer beamforming) is used to indicate a single-DRS port scheme, the DRS port index is determined from the value of the "new data indicator" field of the second DCI format, specifically for the enabled transport block.
10. A method in accordance with claim 6 , wherein if a dual-layer beamforming format is used to indicate a single-DRS port transmission scheme, then determining a DRS port index of an enabled codeword in the downlink transmission grant using a value in a new data indicator field of the dual-layer beamforming format.
The method from the previous description interprets downlink transmissions from a base station. The downlink transmission grant is associated with either a C-RNTI or an SPS C-RNTI. If the grant is acquired using the C-RNTI and uses a first DCI format, the PDSCH uses transmit diversity or a single antenna-port scheme. If the grant is acquired using the C-RNTI and uses a second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the first DCI format, the PDSCH uses a single-DRS port scheme. If the grant is acquired using the SPS C-RNTI and uses the second DCI format, the PDSCH uses a dual-DRS port or a single-DRS port scheme. When the second format (dual-layer beamforming) is used to indicate a single-DRS port scheme, the DRS port index is determined from the value of the "new data indicator" field of the second DCI format, specifically for the enabled codeword.
11. A base station, comprising: a transmit path circuitry configured to scramble cyclic redundancy check (CRC) bits of a downlink control information (DCI) of either a first or a second DCI format using either a cell radio network temporary identifier (C-RNTI) for dynamic scheduling or a semi-persistent scheduling (SPS) C-RNTI for semi-persistent scheduling, the transmit path circuitry further configured to transmit the DCI and a Physical Downlink Shared CHannel (PDSCH) scheduled by the DCI to a subscriber station, wherein, if the C-RNTI is used to scramble the CRC bits and the DCI is of the first DCI format, then the PDSCH is transmitted using a transmit diversity scheme or a single antenna-port scheme; if the C-RNTI is used to scramble the CRC bits and the DCI is of the second DCI format, then the PDSCH is transmitted using a dual-dedicated reference signal (DRS) port transmission scheme or a single-DRS port transmission scheme, if the SPS C-RNTI is used to scramble the CRC bits and the DCI is of the first DCI format, then the PDSCH is transmitted using a single-DRS port transmission scheme; if the SPS C-RNTI is used to scramble the CRC bits and the DCI is of the second DCI format, then the PDSCH is transmitted using a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
A base station transmits data to a mobile device. The base station scrambles CRC bits of a DCI format (either a first or second format) using either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The base station then transmits the DCI and the PDSCH to the mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port.
12. A base station in accordance with claim 11 , wherein the transmit path circuitry configured to generate a downlink transmission grant using the DCI format that is a dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
The base station from the previous description transmits data to a mobile device, scrambling CRC bits of a DCI format (either a first or second format) using either a C-RNTI or an SPS C-RNTI, and transmitting the DCI and PDSCH to the mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The second DCI format is a dual-layer beamforming format, and can indicate either a dual-DRS port or a single-DRS port transmission scheme.
13. A base station in accordance with claim 11 , wherein the transmit path circuitry configured to transmit the downlink transmission grant in a user equipment-specific search space of the Control Channel Elements (CCE) domain.
The base station from the previous description transmits data to a mobile device, scrambling CRC bits of a DCI format (either a first or second format) using either a C-RNTI or an SPS C-RNTI, and transmitting the DCI and PDSCH to the mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The downlink transmission grant is transmitted in a UE-specific search space of the CCE domain.
14. A base station in accordance with claim 11 , wherein the transmit path circuitry configured, if the SPS C-RNTI is used to scramble the CRC bits, to generate a downlink transmission grant using the DCI format that is the fallback format to indicate a single-DRS port transmission scheme, and to transmit the downlink transmission grant in a common or user equipment-specific search space of the Control Channel Elements (CCE) domain.
The base station from the previous description transmits data to a mobile device, scrambling CRC bits of a DCI format (either a first or second format) using either a C-RNTI or an SPS C-RNTI, and transmitting the DCI and PDSCH to the mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. When the SPS C-RNTI is used, the base station generates a downlink transmission grant using the first DCI format (fallback format) to indicate a single-DRS port transmission scheme, and transmits the downlink transmission grant in a common or UE-specific search space.
15. A base station in accordance with claim 11 , wherein the transmit path circuitry configured to generate a downlink transmission grant using the DCI format that is the dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme, and to transmit the downlink transmission grant in a user equipment-specific search space of the Control Channel Elements (CCE) domain.
The base station from the previous description transmits data to a mobile device, scrambling CRC bits of a DCI format (either a first or second format) using either a C-RNTI or an SPS C-RNTI, and transmitting the DCI and PDSCH to the mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The downlink transmission grant uses the second DCI format (dual-layer beamforming format) to indicate a dual-DRS port or a single-DRS port transmission scheme, and transmits the grant in a UE-specific search space.
16. A method, comprising: scrambling cyclic redundancy check (CRC) bits of a downlink control information (DCI) of either a first or a second DCI format using either a cell radio network temporary identifier (C-RNTI) for dynamic scheduling or a semi-persistent scheduling (SPS) C-RNTI for semi-persistent scheduling; and transmitting the DCI and a Physical Downlink Shared CHannel (PDSCH) scheduled by the DCI to a subscriber station, wherein, if the C-RNTI is used to scramble the CRC bits and the DCI is of the first DCI format, then the PDSCH is transmitted using a transmit diversity scheme or a single antenna-port scheme; if the C-RNTI is used to scramble the CRC bits and the DCI is of the second DCI format, then the PDSCH is transmitted using a dual-dedicated reference signal (DRS) port transmission scheme or a single-DRS port transmission scheme, if the SPS C-RNTI is used to scramble the CRC bits and the DCI is of the first DCI format, then the PDSCH is transmitted using a single-DRS port transmission scheme; if the SPS C-RNTI is used to scramble the CRC bits and the DCI is of the second DCI format, then the PDSCH is transmitted using a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
A method for a base station to transmit data to a mobile device. The base station scrambles CRC bits of a DCI (either a first or a second format) using either a C-RNTI (for dynamic scheduling) or an SPS C-RNTI (for semi-persistent scheduling). The base station transmits the DCI and the PDSCH to a mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port.
17. A method in accordance with claim 16 , further comprising: generating a downlink transmission grant using the DCI format that is a dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme.
The method from the previous description transmits data to a mobile device. The base station scrambles CRC bits of a DCI using either a C-RNTI or an SPS C-RNTI, and transmits the DCI and PDSCH to a mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The method involves generating a downlink transmission grant using the second DCI format (dual-layer beamforming format) to indicate a dual-DRS port or a single-DRS port transmission scheme.
18. A method in accordance with claim 16 , further comprising: transmitting the downlink transmission grant in a user equipment-specific search space of the Control Channel Elements (CCE) domain.
The method from the previous description transmits data to a mobile device. The base station scrambles CRC bits of a DCI using either a C-RNTI or an SPS C-RNTI, and transmits the DCI and PDSCH to a mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The method involves transmitting the downlink transmission grant in a UE-specific search space of the CCE domain.
19. A method in accordance with claim 16 , further comprising: if the SPS C-RNTI is used to scramble the CRC bits, generating a downlink transmission grant using the DCI format that is the fallback format to indicate a single-DRS port transmission scheme, and transmitting the downlink transmission grant in a common or user equipment-specific search space of the Control Channel Elements (CCE) domain.
The method from the previous description transmits data to a mobile device. The base station scrambles CRC bits of a DCI using either a C-RNTI or an SPS C-RNTI, and transmits the DCI and PDSCH to a mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If the SPS C-RNTI is used, generating a downlink transmission grant using the first DCI format (fallback format) to indicate a single-DRS port transmission scheme, and transmitting the downlink transmission grant in a common or UE-specific search space of the CCE domain.
20. A method in accordance with claim 16 , further comprising: generating a downlink transmission grant using the DCI format that is the dual-layer beamforming format to indicate a dual-DRS port transmission scheme or a single-DRS port transmission scheme, and transmitting the downlink transmission grant in a user equipment-specific search space of the Control Channel Elements (CCE) domain.
The method from the previous description transmits data to a mobile device. The base station scrambles CRC bits of a DCI using either a C-RNTI or an SPS C-RNTI, and transmits the DCI and PDSCH to a mobile device. The PDSCH transmission scheme depends on the RNTI and DCI format used. If C-RNTI and the first DCI format are used, PDSCH uses transmit diversity or a single antenna-port. If C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. If SPS C-RNTI and the first DCI format are used, PDSCH uses a single-DRS port. If SPS C-RNTI and the second DCI format are used, PDSCH uses a dual-DRS port or single-DRS port. The method involves generating a downlink transmission grant using the second DCI format (dual-layer beamforming format) to indicate a dual-DRS port or a single-DRS port transmission scheme, and transmitting the downlink transmission grant in a UE-specific search space of the CCE domain.
Unknown
August 12, 2014
Browse 5M+ US patents with plain-English claim translations and AI-generated analysis.